61532141 has 8 divisors (see below), whose sum is σ = 67639968. Its totient is φ = 55510000.

The previous prime is 61532131. The next prime is 61532143. The reversal of 61532141 is 14123516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61532141 - 2¹⁰ = 61531117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61532143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19910 + ... + 22791.

It is an arithmetic number, because the mean of its divisors is an integer number (8454996).

Almost surely, 2^61532141 is an apocalyptic number.

It is an amenable number.

61532141 is a deficient number, since it is larger than the sum of its proper divisors (6107827).

61532141 is a wasteful number, since it uses less digits than its factorization.

61532141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42843.

The product of its digits is 720, while the sum is 23.

The square root of 61532141 is about 7844.2425383207. The cubic root of 61532141 is about 394.7910896577.

Adding to 61532141 its reverse (14123516), we get a palindrome (75655657).

The spelling of 61532141 in words is "sixty-one million, five hundred thirty-two thousand, one hundred forty-one".